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Description
FNIRSI DSO2C53P 2CH 50MHZ TOUCHFNIRSI 2C53P 3 IN 1 50MHZ 250MS S Dual Channel Tablet Touchable Oscilloscope, Multimeter and DDS Generator Dual Channel Tablet Touchable Oscilloscope Features 2 Channel Oscilloscope Multimeter: Upgraded from 2C23T. The 2C53P oscilloscope has 250 MS s sampling rate, 50 MHz bandwidth. Multimeter 19999 counts, 5 measuring values, max and min display. 4. 3 inch IPS touch screen, 480*272 high resolution. DDS Signal Generator: Outputs 12 waveforms with a
FNIRSI 2C53P 3-IN-1 50MHZ 250MS/S Dual Channel Tablet Touchable Oscilloscope, Multimeter and DDS Generator
Dual Channel Tablet Touchable Oscilloscope
Features
- 2-Channel Oscilloscope Multimeter: Upgraded from 2C23T. The 2C53P oscilloscope has 250 MS/s sampling rate, 50 MHz bandwidth. Multimeter 19999 counts, 5 measuring values, max and min display. 4.3-inch IPS touch screen, 480*272 high resolution.
- DDS Signal Generator: Outputs 12 waveforms with a maximum frequency of 10 MHz. The FPGA+MCU+ADC architecture ensures strong waveform capture and supports waveform saving, viewing, and export for analysis.
- Efficiency Improvement: Features one-key AUTO for quick measurements and simplified operations, with automatic/normal/single trigger modes. Suitable for both periodic analog and non-periodic digital signals.
- Comprehensive Analysis: X-Y mode compares phase, amplitude, and frequency of two signals, while FFT spectrum analysis estimates harmonic content and manages complex signals.
- Long Battery Life: Built-in 4000mAh battery provides up to 4 hours of use, with Type-C charging for uninterrupted work.
Specifications
Basic Parameters
| Brand | FNIRSI |
| Model | 2C53P |
| Screen Size & Resolution | 4.3 Inch (480 × 272 pixels) |
| Screen Material | Surface tempered glass + glass touch screen + IPS color screen |
| Backlight | Adjustable brightness |
| Power Supply | Type-C (5V/2A) |
| Battery | 4000mAh lithium battery |
| Language | Chinese, English, Pyccкий, にほんご, Español, Português, Deutsch, 한국인 |
| Product Size | ≈145 × 98 × 35 mm |
| Product Weight | ≈360 g |
Oscilloscope Parameters
| Channel | Dual channel |
| Bandwidth | 50 MHz |
| Real-time Sample Rate | 250 MSa/s |
| Storage Depth | Up to 64 kByte |
| Input Resistance | 1 MΩ |
| Time Base Range | 10 ns/div – 10 s/div |
| Vertical Sensitivity | 10 mV/div – 10 V/div |
| Maximum Measured Voltage | ±400 V |
| Vertical Resolution | 8 bits |
| Probe | 1× / 10× |
| Storage Space | 13 M |
| Bandwidth Limit | Supports 20 MHz limit |
| Trigger Mode | AUTO / Normal / Single |
| Trigger Type | Rising / Falling edge |
| Trigger Level | 8 div (positive/negative) |
| Waveform Display Mode | XY / YT / Scroll |
| Input Coupling | AC / DC |
| Measured Data | Prd, Freq, Vpp, Vmax, Vmin, Vrms, Vavg, Vamp, Du+, Du-, Wid+, Wid- |
| Math Calculations | 1+2, 1-2, 1×2, 1/2, -1, -2, |1|, |2|, FFT |
| Save Waveform Screenshot | Yes |
| USB Computer Transfer | Yes |
Multimeter Parameters
DC Voltage
| 1.9999V / 19.999V / 199.99V / 1000.0V | ±(0.5% + 3) |
AC Voltage
| 1.9999V / 19.999V / 199.99V / 760.0V | ±(1% + 3) |
DC Current
| Range | Accuracy |
|---|---|
| 19.999mA / 199.99mA / 1.9999A / 9.999A | ±(1.2% + 3) |
AC Current
| Range | Accuracy |
|---|---|
| 19.999mA / 199.99mA / 1.9999A / 9.999A | ±(1.5% + 3) |
Resistance
| 19.999MΩ / 1.9999MΩ / 199.99KΩ / 19.999KΩ | ±(1.5% + 3) |
| 1.9999KΩ / 199.99Ω | ±(0.5% + 3) |
Capacitance
| 999.9µF / 99.99µF / 9.999µF / 999.9nF / 99.99nF / 9.999nF | ±(2.0% + 5) |
| 9.999mF / 99.99mF | ±(5.0% + 20) |
Temperature
| -55~1300°C / -67~2372°F | ±(2.5% + 5) |
| Function | Availability |
|---|---|
| Diode | Yes |
| Continuity Test | Yes |
Signal Generator Parameters
| Channel | Single channel |
| Frequency | 0–10 MHz (Sine: 10 MHz, Other waveforms: 5 MHz) |
| Amplitude | 0.1–3.0 V |
| Square Wave Duty Cycle | 0–100% |
| Signal Type | Sine wave, square wave, sawtooth wave, half wave, full wave, positive step wave, negative step wave, DC signal, exponential rise, exponential fall, multi-audio, sync pulse |
Additional Information
| Device | Oscilloscope |
| Type | Dual Channel | Tablet | Touchable |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 12 reviews
Sort
Product Reviews
★★★★★ 2
Cheap broken box and no bag, allow pieces to fall out and are now missing….
Color: Fifa Mascot 2, Size: 26PCS, Color: Fifa Mascot 2, Size: 26PCS
Tiny little puzzle with no picture and missing pieces….
What you should receive is a very small box, a little larger than a lighter or the size of a key fob. The box is very light weight and flimsy. Mine arrived crushed on the bottom corner and ripped. This is similar to a candy box. Same type and weight. The pieces are not in a bag at all so when my box arrived in the condition it was in, and nothing sealed, of course pieces are missing. There are supposed to be to be 26 and I don’t have but half. They all fell out of the box like candy falls out of a broken box.
The puzzle itself is done by laser and the pieces I do have fit together well but, the color is off. I believe they use a stain and the ink has spread into the other pieces next to them. The color is deep and intense and most is accurately done but some pieces have multiple colors that are not in the right place. Some pieces I can’t tell which side is the front and which side is the back. The pieces are also so small, with so much information crammed on, I can’t make it out as I work on it or once it’s completed the best I can with only part of the pieces. I am disappointed with the whole thing and can only say the laser cutting was done well. Other than that, I wouldn’t order again, especially for a souvenir.
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Reviewed in the United States on April 18, 2026
★★★★★ 3
Durable Wooden Puzzle, but the Visuals are Disappointing
Color: Fifa Mascot 1, Size: 26PCS, Color: Fifa Mascot 1, Size: 26PCS
I picked this up to get ready for the 2026 World Cup hype. While it’s a cool idea for a collectible, the final result is a bit of a letdown visually.
The Material
The best thing about this puzzle is that it’s made of wooden pieces rather than the typical thin cardboard you find in cheap puzzles. This gives it a nice weight and makes it feel much more durable. The pieces fit together well and it feels like it will last a long time.
The Problem: Distracting Black Outlines
The main reason for the 3-star rating is the printing and cut quality. As you can see in my photos, the black outlines around every single piece are way too noticeable.
Instead of the pieces blending together to create a smooth, clean image of the World Cup graphics, the whole thing looks "choppy" and fragmented.
Up close, the black seams really take away from the design, making the overall picture look less premium than it does in the stock photos.
Final Verdict
If you just want a quick, sturdy wooden activity for a soccer fan, this is fine. But if you’re looking for a high-quality display piece to show off your 2026 excitement, the heavy black lines might bother you. It’s a decent "mid-tier" collectible, but it could have been much better with a more seamless print.
Pros:
Solid wooden construction (much better than cardboard).
Officially branded 2026 World Cup item.
Easy to handle pieces.
Cons:
Heavy black outlines break up the image.
Doesn't look very "clean" once fully assembled.
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Love the flavor in my coffee.
Flavor Name: Vanilla
This taste so good and adds delightful flavor to my coffee. I love the pump on the bottle. I love the size of the bottle. It is a great price and quality all the way around. It mixes very well with my coffee. It lasts well, since you don't need much. I love the syrup, it is not watery.
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Vanilla Syrup
Flavor Name: Vanilla
So tasty. Put in my ice coffee and it is perfect. Large bottle but just the right size for me using it daily. Highly recommend.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Wonderful for London Fogs
Flavor Name: Vanilla
This was a really good-tasting product! I personally use it to make London fogs, and it is perfect for this goal of mine. I do think the pump doesn't spray the syrup as "laminar" as I would like, which causes it to splash onto the table around my mug, but it's still a solid product despite this issue.
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Reviewed in the United States on April 26, 2026
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